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zd1211rw: use stack and preallocated memory for small cmd-buffers
authorJussi Kivilinna <jussi.kivilinna@mbnet.fi>
Mon, 31 Jan 2011 18:49:14 +0000 (20:49 +0200)
committerJohn W. Linville <linville@tuxdriver.com>
Fri, 4 Feb 2011 21:29:50 +0000 (16:29 -0500)
Use stack for allocing small < 64 byte arrays in zd_chip.c and preallocated
buffer in zd_usb.c. This might lower CPU usage for beacon setup.

v2:
 - Do not use stack buffers in zd_usb.c as they would be used for urb
   transfer_buffer.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

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